Man rescued in Alaska after week-long bear attack ordeal

A man has been rescued in Alaska after desperately flagging down help having been attacked and harassed by a grizzly bear for a week.

US Coast Guard officials were alerted by an SOS message on a shack roof and spotted a man waving his arms in the air calling for help.

The man told them he had been attacked by a bear and hadn't slept for days after it kept coming back to his camp.

He was found with chest bruising and an injured leg he had taped up.

The helicopter crew had been on their way to fly a team of scientists on a wildlife research mission when they were diverted off-course by weather and spotted the distress message.

According to the New York Times, the man had almost run out of ammunition for his gun and the door of the shack where he was staying had been ripped off.